The BZT-21002700-181328-152020 from B&Z Technology is a RF Amplifier with Frequency 21 to 27 GHz, Gain 28 to 30 dB, Gain Flatness ±1.5 dB, Noise Figure 1.8 to 2 dB, Output Power 13 to 15 dBm. Tags: Power Amplifier. More details for BZT-21002700-181328-152020 can be seen below.